Serial Port Cards

Categories

Serial Port Cards

Price

Brands

TP-LINK UH700 7-Port USB 3.0 Hub, 5Gbps Transfer Rate with 12V/2.5A Power Adapter, 1-Meter USB 3.0 Cable, Plug and Play

$53.95

View Deals
StarTech.com 1 Port PCI Parallel Adapter Card PCI1PECP

$9.99

View Deals
StarTech.com 4 Port PCI Express Dual Profile PCIe Serial Card Adapter with Breakout Cable - 2 x RS232 2 x RS422/RS485 PEX4S232485

$117.81

View Deals
StarTech USB TO RS232 DB9DB25 SERIAL ADAPTER

$30.18

Avg. Savings $1.44
South Shore City Life Concrete Gray and Black Coffee Table

$159.00

Avg. Savings $0.16
SIIG 2-Port RS232 Serial PCIe with 16950 UART (JJ-E02111-S1)

$37.00

View Deals
StarTech.com PCI Express Serial Card – 2 port – Dual Channel 16C1050 UART – Serial Port PCI Card – Serial Expansion Card

$52.44

View Deals
IO Crest 2 Port Serial PCI-e 1.0 x 1 with Full and Low Profile Brackets SI-PEX15037

$13.99

View Deals
IO Crest 8 Port RS232 DB9 Serial PCIe 2.0 X1 with Exar Chipset Components SI-PEX15041

$65.52

View Deals
IO Crest 2 Port RS232 DB9 Serial PCIe Card Components SI-PEX15043

$34.00

View Deals
StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16950 UART (PEX4S952)

$85.37

View Deals
Syba SD-PCI15029 8 Serial (RS-232) MultiPort PCI-Bus Card with 62-pin Octopus Cable

$34.99

Avg. Savings $3.31
IO Crest 2 Port Serial DB9 Mini PCIe Controller Card Components (SI-MPE15046)

$12.52

View Deals
LEMENG Metal Housing 4 Port Manual RS-232 Switch for PC Sharing to Serial Device

$12.89

View Deals
StarTech.com PEX1S553LP 1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART

$48.14

View Deals
Ubit Wireless Network Card, Wireless WiFi Dual Band Gigabit Adapter, 867Mbps 2.4Ghz-300Mbps/5Ghz-867Mbps with High-gain Antenna Bluetooth 4.0 PCI-E Wireless WiFi Network Adapter

$16.99

View Deals
SAS9200-8E 8PORT Ext 6GB Sata+sas Pcie 2.0

$79.20

View Deals
StarTech.com 2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART PEX2S553 (Green)

$55.04

Avg. Savings $14.11
Syba Single Port DB9 RS232 Serial PCIe 1.0 x 1 Card Components SD-PEX15021

$18.39

View Deals
StarTech.com 8 Port Low Profile PCI Express RS232 Serial Adapter Card with 161050 UART PEX8S1052

$85.84

View Deals
StarTech.com 4 Port PCI RS232 Serial Adapter Card with 16550 UART (PCI4S550N)

$64.09

Avg. Savings $2.60
StarTech.com 1 Port PCI RS232 Serial Adapter Card with 16550 UART PCI1S550

$39.99

Avg. Savings $5.19
Digi 77000889 8PORT PCI EXPRESS RS-232 SERIAL CARD without CABLES

$380.84

View Deals
Syba SD-PCI15039 2 Port DB9 RS-232 Serial PCI Controller Card WCH351 Chipset

$12.20

View Deals
Syba SD-PCI-2S PCI 32-Bit 2x Port Serial DB9 Card, Netmos 9835 (NM 9865) Chipset

$17.99

Avg. Savings $10.98
Raspberry Pi HAT - 32 I/O Port Expander - MCP23017 - I2C - Black - Kit Edition

$19.99

View Deals
Rosewill Dual Serial Ports PCI Card Components RC-301

$35.37

View Deals
2PORT RS232 Cyberserial Dual Pcie Bracket

$44.72

Avg. Savings $1.28
Raspberry Pi HAT - 32 I/O Port Expander - MCP23017 - I2C - Black

$24.99

View Deals
CoolGear 1 Port PCI-e to 4 X PCI Expansion Enclosure

$238.87

View Deals
StarTech.com 24-Inch Internal USB Motherboard Header to 2 Port Serial RS232 Adapter ICUSB232INT2

$67.92

View Deals
Syba Dual Port Serial DB9 RS232 PCIe x 1 Card Components SD-PEX15022, Black

$21.07

View Deals
StarTech.com 4 Port RS232 PCI Express Serial Card with Breakout Cable (PEX4S553B)

$19.49

View Deals
HiLetgo 3PCS Leonardo Pro Micro ATmega32U4 Arduino 5V/16MHz Bootloadered IDE Micro USB Pro Micro

$22.48

View Deals
SYBA PCI-Express RS-232 Serial 4-Port Card, Moschip 9845 Chipset SY-PEX-4S

$29.45

Avg. Savings $1.32
IO Crest 4 Serial Ports PCI-e Controller Card with Fan-Out Cable and Bundled with Low Profile Bracket SI-PEX15038

$34.82

View Deals
IO Crest USB 2.0 to RS-422/485 FTDI Adapter with Terminal Components Other SY-ADA15045

$15.99

View Deals
StarTech.com 1 Port PCI Low Profile RS232 Serial Adapter Card with 16550 UART (PCI1S550_LP)

$91.59

View Deals
Comtrol RocketPort EXPRESS Octacable RJ45 Multipor

$342.65

Avg. Savings $93.80
NewerTech MAXPower 2-port eSATA 6Gb/s + 2-port USB 3.0 PCIe Controller Card

$141.00

Avg. Savings $17.33
Hewlett Packard Jetdirect Eio Connectivity Card Usb Ser Localtalk

$74.90

View Deals
IO Crest 2 Port Serial Mini PCIe Controller Card (RS-422/485) Components SI-MPE15048

$30.45

Avg. Savings $4.81
XaviX Port

$99.99

View Deals
4PORT Dp Cyberserial 4S Pcie Serial

$139.39

Avg. Savings $21.87
TP-LINK UH400 4-Port USB 3.0 Hub, 5Gbps Transfer Rate, No drivers required for Windows 10/8.1/8/7/Vista/XP or Mac OS X and Linux systems, Plug and Play

$14.99

View Deals
Gowoops 5PCS of Boost Converter Module XL6009 3-30V to 4-35V DC-DC Output Voltage Adjustable Step up Circuit Board 400KHz Big Current 4A

$16.99

View Deals
Devicemaster Rts 4 Port DB9 Rohs Rs 232 422 485 Serial To Enet

$949.89

View Deals
SYBA SD-PEX10005 PCI-Express Card 1x Parallel Port, MCS9900 Chipset

$25.97

Avg. Savings $7.26
StarTech.com 1 Port Metal Industrial USB to RS422/RS485 Serial Adapter with Isolation ICUSB422IS (Black)

$152.71

Avg. Savings $2.99

Capital One Shopping gets you better offers, automatically applies coupon codes at checkout, and lets you know when prices drop on products you've viewed and purchased.

© 2026 Capital One Shopping

Privacy PolicyTerms of ServiceHelp CenterAdvertise With UsCapital One
Get Capital One ShoppingResearchSitemap

© 2026 Capital One Shopping

Capital One Shopping gets you better offers and automatically applies coupon codes at checkout.

Privacy PolicyTerms of ServiceHelp CenterAdvertise With UsResearchCapital OneSitemap